Across
- 4. To improve and/or grow
- 8. Eggs
- 9. Price of something
- 10. Prepare land for crops
- 11. Another option
- 13. A group of similar living organisms
Down
- 1. Using animal waste or chemicals to help plants grow
- 2. A space made up of living and non-living things
- 3. Something valuable found on Earth, that can be used for other purposes
- 5. Plants using sunlight and CO2 to convert into energy
- 6. Farm animals that benefit their owner
- 7. An gain and/or advantage
- 12. Physical and personal characteristics